Business Intelligence (BI) systems support decision-making and information-sharing within increasingly complex organizational environments. As investment in these systems is steadily increasing in a wide range of industries, it is important to understand the effect they have on companies. We claim that BI systems impact companies in two important ways: 1) they stabilize the decision-making proc...

the purpose of this study was to investigate and analyze factors influencing farmers’ participation in irrigation networks management, with an approach to compare two groups of farmers (one in irrigation networks with wua (water users' association), and the other in networks lacking wua). the methodological approach was a descriptive-correlational and causal-comparative study of the survey...

Social influence is a universal concept that measures the interactions and links between entities. Existing social influence research primarily focuses on friendship networks among people. We propose a general approach to measure social influence in a type of objective entity, specifically in company networks. To construct the company influence network, we mine network links (company relationsh...

Predicting future sales is intended to control the number of existing stock, so the lack or excess stock can be minimized. When the number of sales can be accurately predicted, then the fulfillment of consumer demand can be prepared in a timely and cooperation with the supplier company can be maintained properly so that the company can avoid losing sales and customers. This study aims to propos...

Recent empirical studies show that the squares of high-frequency stock returns are long-range dependent and can be modeled as fractionally integrated processes, using, for example, long-memory stochastic volatility models. Are such long-range dependencies common among stocks? Are they caused by the same sources of variation? In this paper, we classify daily stock returns of S&P 500 companies on...